Power-Rise Adjustable Stand-Up Post – Stainless SteelStainless Steel Pedestal, Adjusts From 22-1/2 to 29-1/2 Use As Seat Or Leaning Post. 3 Degree Tilt Cast Aluminum Swivel, Rotates 360. Use With Any Non-Locking Spring-Lock Base (sold separately).Rated ABYC Class H-31 B (Fishing Only)WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.